1 definition by joy8374(2

Deliberate or ironic misspelling of "poster," meaning a twitter user. Noun.
Alternative forms of the word include poast (n) – a misspelling of "post", referring to tweets.

It can be appended as a suffix behind other words, such as shitpoaster (n) or shitpoasting (v).
Trump was irritating, sure, but you can't deny he was perhaps this hellsite's greatest poaster
by joy8374(2 April 24, 2021
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